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Significant Accounting Policies - Estimated Useful Lives of Property Plant and Equipment (Detail)
12 Months Ended
Dec. 31, 2016
Building and Building Improvements | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 15 years
Building and Building Improvements | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 40 years
Machinery and Equipment | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 3 years
Machinery and Equipment | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 10 years
Software | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 3 years
Software | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, plant and equipment, estimated useful life 7 years